can i refresh a table from presently showing model-popup

I need to reload a table or div inside a model popup continuously, i failed with my code can you help me....

i tried with ajax ..code is below but its is not updating chats (i am doing a chat task)

**My Ajax code to check new message is or not** 
function check_msg()

{

$.ajax({

type: “POST”,

url: “<?php echo site_url(‘member/check_message’)?>/”,

datatype: “JSON”,

success: function(data) {

data = JSON.parse(data);
if(data.MsgStatus == “1”)

{

$(‘#newchat’).ajax.reload();

} });}

HTML

<div class=“modal-body form”>

<form action=“#” id=“chatform” class=“form-horizontal”>

<input type=“hidden” value=“” name=“UserId”/>

<div class=“form-body”>

<div class=“container” id=“container”>

<table id=“newchat”>

<div class=“Scroll” id=“Scroll”>

<div id=“messagesout”></div>
                     &lt;/div&gt;   &lt;/table&gt;      &lt;/div&lt;/div&gt;

#ajax #html5